How can I unset a JavaScript variable?
I have a global variable in JavaScript (actually a window property, but I don’t think it matters) which was already populated by a … Read more
unset
How do I delete an exported environment variable?
Before installing gnuplot, I set the environment variable GNUPLOT_DRIVER_DIR = /home/gnuplot/build/src. During the installation, something went wrong. I want to remove the GNUPLOT_DRIVER_DIR … Read more
Deleting an element from an array in PHP
Is there an easy way to delete an element from an array using PHP, such that foreach ($array) no longer includes that element? … Read more
How can I remove a key from a Python dictionary?
Is there a one-line way of deleting a key from a dictionary without raising a KeyError? if ‘key’ in my_dict: del my_dict[‘key’] 1 … Read more